Premium Bearing Steel – Made of high-quality bearing steel for exceptional hardness, wear resistance, and long service life
Precision Dimensions – 1/2 inch ID, 1-3/8 inch (35 mm) OD, and 1-29/64 inch (37 mm) flange OD ensure a tight, stable fit with standard hubs
Deep Groove with Flanged Design – Deep groove ball bearing with smooth raceways for quiet rotation; flanged edge prevents sliding into the hub
Sealed and Maintenance-Free – Sealed on both sides to block dust, dirt, and moisture; pre-lubricated with high-speed grease for smooth, maintenance-free use
Smooth & Quiet Operation – Low-friction design reduces resistance, ensuring easy, quiet wheel movement during use
